Repairing and rewinding of 3000KVA 33/6.6KV, ONAN Cooling outdoor type transformer at sub station of IBS Belbani, under Bankura -I ,II and Borjora Block Surface Water Based Piped Water Supply Scheme (BRGF Phase-I) under BMD, PHED

Amount

Drain out of Transformer cooling Oil (2500 Ltr)from Transformer tank and collect to 220Ltr Drum including Hiring & Carrying charges of 220 ltr 15nos empty Drum as per direction of EIC.

Discannection of incomming outgoing power line, earthing attachmant and instrument cannection from 3000KVA 33/11KV transformer as per direction of EIC.

Transportation charges of Transformer (3000KVA) from Dejuri WTP site to Electrical workshop, provided hydra for loading & unloading including charges of all toll tax as per direction of EIC.

Testing of the above faulty transformer and detection of other faults if any by the Skilled Technical Personal as per direction of E.I.C

Dismantling of top cover, H.T & L.T Bushing, cooling tube, conservetor tank and Takenout of Transformer all H.T and L.T winding with core , from existing Transformer Tank of the above Transformer as per direction.

General cleaning of winding and core by using petroleum oil in the burnout core portion and as necessary as per direction.as per direction of EIC.

Rewinding of 1(one)nos HT coils for Y phase by the new winding wire with new insulation shall be as per same size and dimension using H class triple coated super enamled fibre glass coated varnished EC grade copper conductor. (N.B- Rate is considering after deduction of burnt out scrap copper winding value)

Making all H.T & LT winding insulation by TPC (Triple paper cover) as per direcction.

Making insulation materials (Compressed press board, Cellulose Paper, Prerma Wood & SRBG with high quality H class triple coated coated varnished as per diretion

Makingh all H.T & LT joints brazed /crimped by considering the vibrations due to short circuits and load fluctuations as per direcction..

Making multy Paper insulated tap leads from Trasformer to OLTC chamber as per direction of EIC.

Reassembling of Transformer with all H.T and L.T(new & old) winding with core to existing Transformer Tank by the help of lifting arrangemnt as per direction.

Wovening of winding & core assembling for removing of moisture and improving insulation resistance value in between Phase to Phase and Phase to core and other as per IE rules as per diretion

Supply, delivery of new non metallic rubber gasket for above transformer as per existing sample

Supply of Resistance moving contract for above transformer as per existing sample

Servicing overhauling charges of OLTC and fitting fixing of above supply Resistance moving contract as per direction of EIC.

Making Multy layer insulation tap for Lead of Transformer to OLTC as per direction

Fitting Fixing of top cover, cooling tube and connection of I/P & O/P Terminals conservetor tank. H.T & L.T Bushing & OLTC unit of the above Transformer after replacement of Gasket as per direction of EIC.

Supply and delivery of new Transformer Oil (minaral cooling Oil) as per IS-335-1993.

Dehydration & Filtration of Transformer Oil by heat run process for improvement of IR Value (minimum 60KV/mnt) by the hiring of Filtering Machine as per I.E Rules.

Charge for Testing of above repaired transformer as per IS with the help of all necessary instruments. (N.B-Agency shall inform to PHE authority in time for such testing as PHE may witness the same.

Spray Painting of transformer as per IS standard, and necessary packing for safe transportation.

Transportation of repaired Transformer (3000KVA) from Electrical works to Dejuri WTP site provided hydra for loading & unloading including charges of all toll tax as per direction of EIC.

Installation of the above repaired 3000KVA Transformer to exixting place of the out door type sub-station including all incomming outgoing power line, earthing attachmant and instrument cannection as per direction of EIC

Commissioning and site testing of the above repaired transformer including all instrument in the sub station i.e- OTI.WTI, Buchholz relay alarm & Tripping connection Breaker etc for performing satisfactorily as per direction of E.I.C

N.B- a) Work shall be deemed completed only when all the testing of transformer has been done successfully and certificates to be furnished along with the delivery of Transformer. b) Agency shall quote the above rates after deducting the value of old scrap which shall be retained by the party.

Add: 18% GST

Add: 1% Cess

ORIENTAL ENGINEERING CO.

EASTERN INDIA SALES AND SERVICE

B T PROJECTS PRIVATE LIMITED